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AHMED NADEEM DO
NPI 1659592624
Emergency Medicine in Ofallon, IL

Active since May 01, 2007PECOS EnrolledAccepts Medicare Assignment
103 NORTH OAK ST, OFALLON, IL 62269(618) 624-3368 Get Directions Write a Review

NPPES record last updated: September 23, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 23, 2022, Apr 28, 2021, Aug 18, 2020 (3 updates tracked since 2020).

About Ahmed Nadeem Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AHMED NADEEM DO (NPI 1659592624) is an individual emergency medicine provider in Ofallon, Illinois, licensed in Illinois (036-117632) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Loyola University Medical Center, and maintains a secondary practice location in Maywood.

NPPES Registry Identity

NPI1659592624
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameAHMED NADEEMCredential: DO
Location Address103 NORTH OAK STOfallon, IL 62269
Mailing Address103 North Oak StOfallon, IL 62269 · (618) 624-3368
Phone(618) 624-3368
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2004
Enumeration DateMay 1, 2007
Last NPPES UpdateSeptember 23, 20223 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2022
✔ NPI 1659592624 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IL · 036-117632
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Hospice and Palliative MedicineTaxonomy 207PH0002X · License 036117632 (IL)
103 NORTH OAK ST, Ofallon, IL 62269
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Secondary Practice Location 1

Location 12160 S 1st AveMaywood, IL 60153-3328 · Phone (708) 216-9000

Other Identifiers 1

Other036117632IL · License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ahmed Nadeem Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244338424
PECOS Enrollment IDI20070612000472
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Ahmed Nadeem reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Loyola University Medical Center
251 mi
General Practice
2160 S 1ST AVE
Maywood, IL 60153
  • Reassigned Medicare billing, Illinois enrollment
  • 1,138 clinicians in this Medicare group
NPI 1336159961 (708) 216-3215
Lake County Acute Care, LLP
269 mi
Family Medicine
150 W HALF DAY RD
Buffalo Grove, IL 60089
  • Reassigned Medicare billing, Illinois enrollment
  • 38 clinicians in this Medicare group
NPI 1720185911 (847) 215-0000
App Of Illinois Ed PLLC
283 mi
Emergency Medicine
1324 N SHERIDAN RD
Waukegan, IL 60085
  • Reassigned Medicare billing, Illinois enrollment
  • 91 clinicians in this Medicare group
NPI 1053860080 (847) 360-6930

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
282 services258 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
73 services73 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
54 services54 patients
New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
30 services30 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62269 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.44 typical visit price
range $56.28 – $173.35
Typical copayment $22.11 (range $14.07 – $43.33)
Most-billed visit code 99203
Established Patient
$99.71 typical visit price
range $17.51 – $139.99
Typical copayment $24.92 (range $4.37 – $34.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ahmed Nadeem's NPI number?

The NPI number for Ahmed Nadeem is 1659592624. It was assigned to this individual provider in the NPPES registry on May 1, 2007.

Where is Ahmed Nadeem located?

Ahmed Nadeem practices at 103 North Oak St, Ofallon, IL 62269. The listed phone number is (618) 624-3368.

What is Ahmed Nadeem's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ahmed Nadeem enrolled in Medicare?

Yes. Ahmed Nadeem is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ahmed Nadeem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ahmed Nadeem reassigns Medicare benefits to 3 organizations: Loyola University Medical Center (Maywood, IL), Lake County Acute Care, LLP (Buffalo Grove, IL) and App Of Illinois Ed PLLC (Waukegan, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ahmed Nadeem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ahmed Nadeem accept?

Health plans from Oscar Health list Ahmed Nadeem as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ahmed Nadeem affiliated with any hospitals?

According to CMS data, Ahmed Nadeem is affiliated with Loyola University Medical Center.

When was this NPI record last updated?

The NPPES record for Ahmed Nadeem was last updated on September 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.